<div class="box-item layui-form-item adminj-sort-item" id="submitData">
    <div class="form-group row">
        <div class="col-sm-4 col-sm-offset-2">
            <button class="btn btn-w-m btn-default back-page">返回</button>
            <button class="btn btn-w-m btn-primary ajax-post">提交</button>
        </div>
    </div>
</div>